Optimate Solar Duo 40W, TM522-D4, 6-Step 12V / 12.8V 3.3A Weatherproof Solar Battery Saving Charger & maintainer
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Product details
| Management number | 216067090 | Release Date | 2026/04/19 | List Price | $72.38 | Model Number | 216067090 | ||
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| Category | |||||||||
- Ideal for a stored car, truck, boat, 12V boatlift, or RV deep cycle batteries.
- Includes 40W panel ready for permanent mounting, DUO charge controller, and 2 x battery connection cables.
- Connect to the battery directly with included battery clips or fused battery lead.
- DUO charge controller – works with 12V lead-acid & 12.8V lithium (LFP / LiFePO4) batteries
- Fully automatic – the DUO controller accurately charges & maintains the battery by day and monitors it at night.
| Brand Name | OptiMate |
|---|---|
| Efficiency | High Efficiency |
| Unit Count | 1.0 Count |
| Item Weight | 3.81 Kilograms |
| Manufacturer | TecMATE |
| Model Number | TM-522-D4 |
| Material Type | Polycrystalline Silicon, Aluminum, Tempered Glass, Polymer Backsheet |
| Maximum Power | 40 Watts |
| Connector Type | USB |
| Item Type Name | Sealed solar battery saving charger |
| Output Voltage | 12 Volts (DC) |
| Maximum Voltage | 12 Volts |
| Amperage Capacity | 3.33 Amps |
| Included Components | Polycrystalline solar panel & OptiMATE Solar DUO controller |
| Manufacturer Part Number | TM-522-D4 |
| Item Dimensions L x W x H | 27.76"L x 2.17"W x 31.5"H |
| Manufacturer Warranty Description | 3 year limited warranty |
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